Customer reviews

3.9 out of 5 stars
3.9 out of 5
8 customer ratings
5 star 66% (66%) 66%
4 star 0% (0%) 0%
3 star 15% (15%) 15%
2 star 0% (0%) 0%
1 star 19% (19%) 19%
How does Amazon calculate star ratings?